Related Clues:

• Lionel layout, maybe
• Roundish shape
• Shaped like a watermelon
• Important office
• Orbital shape
• Presidential office shape
• Like the president's office
• Churchill Downs shape
• Geometry subject
• NASCAR circuit
• Like some lockets
• Locket shape, often
• Like a D.C. office
• 2-D region
• Noted office shape